How bugs overcome host defenses

Bacterial pathogens must acquire nutrient metals from the host to survive and cause disease. To counter infection, hosts attempt to starve bacteria by hiding metals away in a process called "nutritional immunity." Bacteria ...

Starvation as babies makes bees stronger as adults

A lack of adequate nutrition is blamed as one of many possible causes for colony collapse disorder or CCD—a mysterious syndrome that causes a honey bee colony to die. Parasites, pesticides, pathogens and environmental changes ...

The 'memory' of starvation is in your genes

During the winter of 1944, the Nazis blocked food supplies to the western Netherlands, creating a period of widespread famine and devastation. The impact of starvation on expectant mothers produced one of the first known ...

Video: Mice can inherit learned sensitivity to smell

Trauma can scar people so indelibly that their children are affected. History provides examples of generations traumatized by war and starvation whose children experience altered physiology. Emory University researchers Kerry ...

Hunger affects decision making and perception of risk

Hungry people are often difficult to deal with. A good meal can affect more than our mood, it can also influence our willingness to take risks. This phenomenon is also apparent across a very diverse range of species in the ...

Plants do sums to get through the night, researchers show

(Phys.org) —New research shows that to prevent starvation at night, plants perform accurate arithmetic division. The calculation allows them to use up their starch reserves at a constant rate so that they run out almost ...

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